Select Mode; Fan Operation - Lennox ComfortSense 7500 User Manual

Select Mode

1. HEAT/COOL allows the thermostat to switch
between heating and cooling automatically.
2. HEAT ONLY allows only heating demand.
3. COOL ONLY allows only cooling demand.
4. OFF indicates system has been turned off.
5. EMERGENCY HEAT allows heat pump sys­
tem to use a secondary heat source to come
on and reach the desired user temperature
setting faster.
6. SCHEDULES (1, 2 or 3) See Edit Schedules
on page 15 for customizing schedules).
7. ON, AUTO and CIRCULATE - Select by
touching the desired fan operation ON, AU­
TO and CIRCULATE. When selected a green
check mark will be indicated.
If FAN mode AUTO, ON or CIRCULATE was se­
lected during scheduling for the current period, the
thermostat will indicate the current fan mode in the
information display (FAN ON or FAN CIRC).
In the CIRCULATE mode, the fan will follow the
setting configured under menu > settings > fan
>select fan mode. Under circulate the circulate
off time can be set from 1 to 30 minutes.

Fan Operation

The desired fan mode is selected in addition to se­
lected mode of operation.
Table 2. Fan Operation
on
auto
circulate
11
Fan is NOT following
the schedule and runs
continuously until it is
changed from the se­
lect mode.
Fan will follow the fan
setting in the selected
schedule.
Fan is following
schedule and cycles
during periods of
equipment inactivity.
Circulate off time is
dependent on user
settings.